Frontier Airlines confirmed on Monday that it has suspended a pilot pending an investigation into his role in posting online threats against a 12-year-old transgender girl attending an Oklahoma school.

In an email sent to them. on Tuesday morning, Frontier’s director of corporate communications Jonathan Freed confirmed that the pilot’s name is Kevin Bickerstaff, and said the investigation is following the guidelines established in the company’s pilot contract agreement.

“Frontier Airlines prides itself on setting an example as a respectful workplace and we do not condone discrimination,” writes Freed. “We have long-established standards of conduct, to which all employees must agree to adhere, that among other things require people to act in a professional manner and to treat each other with genuine respect and kindness.”

12-year-old Maddie and her family reside in Achille, Oklahoma, where they moved after Maddie was attacked in the boys' restroom at school in their previous Texas town. On the first day of seventh grade in Achille, her mother Brandy Rose says Maddie was “confused” and used the girls' restroom instead of the usual staff restroom. After word spread that a trans girl had used the girls' bathroom at school, adults in nearby towns began to post threatening comments about Maddie on a Facebook group for parents of kids in the Achille school district.

The adults referred to the 12-year-old as “it,” a “maggot,” and a “thing” in some of the posts. One post referred to a “queer teacher” at the school, saying “this is even worse.” The most violent post called for “a good sharp knife [to] do the job really quick.”

The threats were so violent, the entire school district closed for two days last week while the Achille sheriff conducted an investigation. The incident resulted in national headlines, and Brandy Rose has since raised over $45,000 through an online fundraiser to pay for her family to relocate (once again) to Houston, Texas, where they hope Maddie and her five siblings will no longer face harassment and discrimination based on her gender identity.

Bickerstaff was suspended on Monday, the day after Frontier was made aware of his connection to the incident. He had posted in the Facebook group, saying: “Just tell the kids to kick [Maddie's] ass in the bathroom and it won’t want to come back!”

According to the website Hatetrackers, which first reported the threats on August 10, Bickerstaff is a 58-year-old resident of Ada, Oklahoma, about an hour and a half north of Achille.

Bickerstaff is the first person known to be suspended from their job following the online threats to harm Maddie. Frontier’s action stands in stark contrast to another recent story about an airline employee at Swiss Air, who was promotedafter a gay man won a discrimination case against her.

The adults who posted threats against Maddie on Facebook have now faced threats of their own. On Thursday, the Oklahoma School for the Deaf closed down after a phone call threatened “grave danger” against anyone associated with a certain employee unless that employee was fired. The employee in question was believed to be married to one of the people who wrote anti-trans posts about Maddie.

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